Light-Sport Aircraft Yahoo group Re: Use of GPS in private pilot cer

--- In Sport_Aircraft@yahoogroups.com, "circicirci" <acensor@...> wrote:
>
> Hi Norm,
>
> You said "A non certified GPS works just as well as a certified > But far as I'm concerned there's a good reason it's called "dead" reckoning. ;-) I'm sure in the pre-VOR days many a pilot was killed by navigation errors. For dramatic example, think of Amelia.
> There were a lot of military planes lost over the USA during WWII,
> many by navigation failures.

Don't know how true it is, but over the years I have read that the original term was "ded reckoning", which is a shortening of "deduced reckoning".

But given the too-often outcome of this type of navigation, "dead" may unfortunately be all-too appropriate...



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